Kettle descaler: vinegar, citric acid or the shop-bought sachet?
Citric acid is the best all-round kettle descaler: it is cheap, it works fast, and it leaves no smell or...
Is limescale bad for you? What it is, and what it actually does
Limescale is not bad for you to drink. It is calcium and magnesium carbonate, the same minerals sold as dietary...